Bacteriology - shapes and stains Flashcards
what are the different shapes associated with bacterias ?
cocci
Rod/bacilli
coccobacillus
diplococci
what shape is mostly associated with gram positive bacteria ?
cocci
what are the gram negative cocci ?
neisseria
moraxella catarrhalis
most rods and coccobacillus are gram what?
gram negative
what rods are gram positive ?
corynebacterium
clostridium
listeria
bacillus anthrax
what are the pleomorphic bacteria ?
rickettsia
chlamydia
what are the intracellular bacteria ?
rickettsia
chlamydia
legionella
what stain is used for protozoa ?
geimssa stain
what is ziehl neeelsen stain used for ?
nocardia
mycobacterium
what is silver ssttain commonly used for ?
pneumocystitis pneumonia ( commonly seen in HIV patients )
Legionella , associated with water outbreaks in nursing homes
H.pylori
what is india ink stain used for ?
fungi
yeast stands out with a halo
what are the pigment forming bacteria ?
staph aureus - golden yellow
pseudomonas aeruginosa - blue green pigmeent
serratia - red pigment
actinomyces - colonies have yellow orange app
what is the menomic for bugs that dont take up the gram stain ?
these little microbes may unfortunately lack real color but are everywhere
Treponema
Leptospira
Mycobacteria
Mycoplasma ureaplasma
legionella rickettsia
chlamydia
bartonella
anaplasma ehrlichia
what is mnemonic for bugs that take up the giemsa stain ?
help certain bus really try my patience
h pylori
chlamydia
borrelia
ricketsia
trypanosomes
plasmodium
what stain is used too diagnose whipple disease ?
periodic acid-schiff stain